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-rw-r--r--fs/proc/base.c29
1 files changed, 13 insertions, 16 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 9b99df4893a4..87c9a9aacda3 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -47,7 +47,7 @@
* Overall revision about smaps.
*/
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include <linux/errno.h>
#include <linux/time.h>
@@ -1246,7 +1246,7 @@ static const struct file_operations proc_oom_score_adj_operations = {
};
#ifdef CONFIG_AUDITSYSCALL
-#define TMPBUFLEN 21
+#define TMPBUFLEN 11
static ssize_t proc_loginuid_read(struct file * file, char __user * buf,
size_t count, loff_t *ppos)
{
@@ -1667,7 +1667,8 @@ const struct inode_operations proc_pid_link_inode_operations = {
/* building an inode */
-struct inode *proc_pid_make_inode(struct super_block * sb, struct task_struct *task)
+struct inode *proc_pid_make_inode(struct super_block * sb,
+ struct task_struct *task, umode_t mode)
{
struct inode * inode;
struct proc_inode *ei;
@@ -1681,6 +1682,7 @@ struct inode *proc_pid_make_inode(struct super_block * sb, struct task_struct *t
/* Common stuff */
ei = PROC_I(inode);
+ inode->i_mode = mode;
inode->i_ino = get_next_ino();
inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
inode->i_op = &proc_def_inode_operations;
@@ -2007,7 +2009,9 @@ proc_map_files_instantiate(struct inode *dir, struct dentry *dentry,
struct proc_inode *ei;
struct inode *inode;
- inode = proc_pid_make_inode(dir->i_sb, task);
+ inode = proc_pid_make_inode(dir->i_sb, task, S_IFLNK |
+ ((mode & FMODE_READ ) ? S_IRUSR : 0) |
+ ((mode & FMODE_WRITE) ? S_IWUSR : 0));
if (!inode)
return -ENOENT;
@@ -2016,12 +2020,6 @@ proc_map_files_instantiate(struct inode *dir, struct dentry *dentry,
inode->i_op = &proc_map_files_link_inode_operations;
inode->i_size = 64;
- inode->i_mode = S_IFLNK;
-
- if (mode & FMODE_READ)
- inode->i_mode |= S_IRUSR;
- if (mode & FMODE_WRITE)
- inode->i_mode |= S_IWUSR;
d_set_d_op(dentry, &tid_map_files_dentry_operations);
d_add(dentry, inode);
@@ -2375,12 +2373,11 @@ static int proc_pident_instantiate(struct inode *dir,
struct inode *inode;
struct proc_inode *ei;
- inode = proc_pid_make_inode(dir->i_sb, task);
+ inode = proc_pid_make_inode(dir->i_sb, task, p->mode);
if (!inode)
goto out;
ei = PROC_I(inode);
- inode->i_mode = p->mode;
if (S_ISDIR(inode->i_mode))
set_nlink(inode, 2); /* Use getattr to fix if necessary */
if (p->iop)
@@ -3062,11 +3059,10 @@ static int proc_pid_instantiate(struct inode *dir,
{
struct inode *inode;
- inode = proc_pid_make_inode(dir->i_sb, task);
+ inode = proc_pid_make_inode(dir->i_sb, task, S_IFDIR | S_IRUGO | S_IXUGO);
if (!inode)
goto out;
- inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO;
inode->i_op = &proc_tgid_base_inode_operations;
inode->i_fop = &proc_tgid_base_operations;
inode->i_flags|=S_IMMUTABLE;
@@ -3183,6 +3179,8 @@ int proc_pid_readdir(struct file *file, struct dir_context *ctx)
iter.tgid += 1, iter = next_tgid(ns, iter)) {
char name[PROC_NUMBUF];
int len;
+
+ cond_resched();
if (!has_pid_permissions(ns, iter.task, 2))
continue;
@@ -3354,11 +3352,10 @@ static int proc_task_instantiate(struct inode *dir,
struct dentry *dentry, struct task_struct *task, const void *ptr)
{
struct inode *inode;
- inode = proc_pid_make_inode(dir->i_sb, task);
+ inode = proc_pid_make_inode(dir->i_sb, task, S_IFDIR | S_IRUGO | S_IXUGO);
if (!inode)
goto out;
- inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO;
inode->i_op = &proc_tid_base_inode_operations;
inode->i_fop = &proc_tid_base_operations;
inode->i_flags|=S_IMMUTABLE;
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